<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>删除元素</title>
		<style type="text/css">
			span{
				color: white;
				padding: 8px;
				margin: 5px;
				float: left;
			}
			.green{
				background-color: green;
			}
			.blue{
				background-color: blue;
			}
		</style>
	</head>
	<body>
		<h3>删除元素</h3>
		<span class="green">jquery<a>删除</a></span>
		<span class="blue">javase</span>
		<span class="green">http协议</span>
		<span class="blue">servlet</span>
	</body>
	<!-- 
		删除元素
			remove()
				删除元素及其对应的子元素，标签和内容一起删除
				指定元素.remove();
			empty()
				清空元素内容，保留标签 
				指定元素.empty();
	 -->
	 <script src="js/jquery-3.4.1.js" type="text/javascript" charset="utf-8"></script>
	 <script type="text/javascript">
	 	// 删除元素
		$(".green").remove();
		// 清空元素
		$(".blue").empty();
		
	 </script>
	 
</html>
